Amentum Holdings, Inc.

AMTM
As of the close on Sep 25, 2026
Price
$19.19
Market cap
$4.69B
P/E (diluted TTM)
23.1
EPS (TTM)
$0.83
Four quarters to Jul 3, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments

Figures shown here come from public SEC filings. Dates beside each section show the available history.

How Amentum Holdings, Inc. Makes Money

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From revenue to net income

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Source: Amentum Holdings, Inc. — 10-Q filed Aug 11, 2026

Financial Summary

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SEC filings supply these figures; updates after the dates shown are not included. This page includes 4 annual periods. The latest annual period ends Oct 3, 2025. The latest insider filing shown is dated May 7, 2026.

Ownership

Who holds the shares, as reported in SEC ownership filings.

Independent insiders buying near the same time

  • 2025-02-12–2025-02-18: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )

Purchases & sales (open market or private)

SecurityCodePriceFiling
2025-02-18Loughran Barbara · DirectorCommon StockP — Open market or private purchase+4,60021.23SEC filing
2025-02-12DEMETRIOU STEVEN J. · Executive ChairCommon StockP — Open market or private purchase+100,00020.81SEC filing

Showing 2 of 2 rows

Grants, exercises, tax & gifts

SecurityCodeFiling
2026-05-06Johnson Travis Barton · Chief Financial OfficerRestricted Stock UnitsM — Exercise or conversion of derivative security−13,609SEC filing
2026-05-06Heller John E. · Chief Executive OfficerCommon StockM — Exercise or conversion of derivative security+18,145SEC filing
2026-05-06Arnette Stephen A · Chief Operating OfficerRestricted Stock UnitsM — Exercise or conversion of derivative security−13,609SEC filing
2026-05-06Bruning Jill L · Chief Technology OfficerCommon StockM — Exercise or conversion of derivative security+9,072SEC filing
2026-05-06Johnson Travis Barton · Chief Financial OfficerCommon StockM — Exercise or conversion of derivative security+13,609SEC filing
2026-05-06Bruning Jill L · Chief Technology OfficerRestricted Stock UnitsM — Exercise or conversion of derivative security−9,072SEC filing
2026-05-06Mullen Sean Thomas · Chief Growth OfficerCommon StockM — Exercise or conversion of derivative security+9,072SEC filing
2026-05-06Mullen Sean Thomas · Chief Growth OfficerRestricted Stock UnitsM — Exercise or conversion of derivative security−9,072SEC filing

Showing 8 of 31 rows

Other activity

SecurityCodeFiling
2025-05-08Amentum Joint Venture LP · DirectorCommon StockJ — Other acquisition or disposition−2,433,022SEC filing
2025-05-08Lindsay Goldberg IV L.P. · 10% ownerCommon StockJ — Other acquisition or disposition+1,132,839SEC filing
2025-05-08GOLDBERG ALAN E · Director, 10% ownerCommon StockJ — Other acquisition or disposition+1,132,839SEC filing
2025-05-08Lindsay Goldberg V L.P. · 10% ownerCommon StockJ — Other acquisition or disposition+1,132,839SEC filing
2025-03-13JACOBS SOLUTIONS INC. · 10% ownerCommon StockJ — Other acquisition or disposition−19,464,174SEC filing
2024-12-17GOLDBERG ALAN E · Director, 10% ownerCommon StockJ — Other acquisition or disposition+43,893,904SEC filing
2024-12-17Heller John E. · Chief Executive OfficerCommon StockJ — Other acquisition or disposition+91,794SEC filing
2024-12-17Vollmer John C. · DirectorCommon StockJ — Other acquisition or disposition+391,341SEC filing

Showing 8 of 10 rows

These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.